People cool off in a fountain outside the Southbank Centre on June 30, 2015 in London, England. The UK is currently experiencing a heatwave, with temperatures of 35 degree celsius forecast tomorrow in some parts of the country. The extreme heat has already seen train cancellations and a health warning has been issued. (Photo by Rob Stothard/Getty Images)

Selena Gomez, left, and Taylor Swift arrive at the MTV Video Music Awards at the Microsoft Theater on Sunday, August 30, 2015, in Los Angeles. (Photo by Jordan Strauss/Invision/AP Photo)

A model showcases designs on the runway at MGPIN 2015 Mao Geping Makeup Trends Launch show during Mercedes-Benz China Fashion Week Spring/Summer 2015 at Beijing Hotel on October 27, 2014 in Beijing, China. (Photo by Feng Li/Getty Images)

American actress Joey King in the second decade of May 2024 shares a silly selfie sipping a cocktail. (Photo by joeyking/Instagram)

American rapper Doja Cat shares a silly selfie on her gram on October 23, 2024. (Photo by dojacat/Instagram)

Cuban-American singer-songwriter Camila Cabello posts a silly selfie in Miami on June 13, 2022. (Photo by camila_cabello/Instagram)

American actress Eva Longoria and English model and actress Cara Delevingne share a silly snap in the last decade of September 2024. (Photo by evalongoria/Instagram)

Pretty Girls, Ugly Faces is a photo fad in which girls take pictures of themselves while posing in an unflattering manner, making a silly face or performing a physically strenuous activity.